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Smog Check & Emissions Questions and Answers

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  Question Answered
  1990 Honda Civic failed smog check for high HC, CO and NOx.
by Dennis   
Yes (1)
  2002 Hyundai Elantra - Can't find aftermarket Catalytic Converter
by John   
Yes (1)
  2000 Infiniti I30 Trouble Code P0430 and Service Engine Soon Light is On
by Alfonso   
Yes (1)
  Catalytic Converter 1994 Mazda Miata Failed Smog Check
by Tracy   
Yes (1)
  1996 Jeep Grand Cherokee 4.0 failed functional test. Check engine light reveals a "21 code - Oxygen
by Bob   
Yes (1)
  Stuck with Toyota Camry that won't pass smog test
by Long   
Yes (1)
  Does 1978 Chevy Silverado Need a Catalytic Converter?
by keith   
Yes (1)
  Volvo 1997 S90 failed smog inspection two times.
by Alicia   
Yes (1)
  2002 Honda Civic P0420 Catalyst System Efficiency Below Threshold
by dale   
Yes (1)
  2000 Infiniti I30 trouble code OBDII P0430 service engine soon light is on
by Alfonso   
Yes (1)


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